Frost Dates for Bettles AP, AK
Elevation: 196 m
Frost Dates
Last Spring Frost (50%) A 50% chance that the last spring frost has already passed by this date. Most gardeners use this as their primary planting guide.
May 22
First Fall Frost (50%) A 50% chance that the first fall frost has occurred by this date. Plan to harvest or protect tender plants before this date.
August 24
30% Probability
Only a 30% chance of frost remaining by this date. Use these dates for a safer planting window, especially for tender plants sensitive to cold.
Last Spring Frost
May 29
First Fall Frost
August 19
Hard Freeze (28°F)
Last Spring Hard Freeze
May 13
First Fall Hard Freeze
September 5
Growing Season
94 Days
May 22 to August 24
USDA Hardiness Zone
Hardiness zones indicate which perennial plants can survive winter in your area. For annual vegetables, frost dates and growing season length matter more than hardiness zone.Zone 1b
Avg. annual minimum: −55 to −50°F
Köppen Climate
The Köppen climate classification system categorizes climates based on temperature and precipitation patterns.
Dfc
Subarctic
Short, cool summers and long, very cold winters. Growing seasons of 3–4 months require fast-maturing varieties. Root vegetables, potatoes, and cold-hardy greens are the most reliable.
Temperature
-20°
10°
40°
70°
Avg High
Avg Temp
Avg Low
Light Frost (32°F)
Hard Frost (28°F)
Temperature table
| Month | Avg High | Avg Temp | Avg Low |
|---|---|---|---|
| January | -2° | -11° | -19° |
| February | 7° | -3° | -13° |
| March | 17° | 4° | -9° |
| April | 36° | 25° | 13° |
| May | 56° | 45° | 34° |
| June | 70° | 59° | 47° |
| July | 70° | 60° | 49° |
| August | 63° | 53° | 43° |
| September | 50° | 41° | 33° |
| October | 28° | 21° | 14° |
| November | 8° | 0° | -7° |
| December | 2° | -6° | -14° |
Precipitation
0"
1"
2"
2.9"
Precipitation table
| Month | Precipitation |
|---|---|
| January | 1.6 |
| February | 1.4 |
| March | 1.6 |
| April | 1.5 |
| May | 1.6 |
| June | 2.1 |
| July | 2.7 |
| August | 2.9 |
| September | 2.6 |
| October | 1.9 |
| November | 1.7 |
| December | 1.6 |
Sunrise / Sunset
Daylight
Longest: 24h 00m · Shortest: 0h 00m
Sunrise and sunset table
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 10:24 AM | 1:36 PM | 3h 12m |
| February | 8:15 AM | 3:45 PM | 7h 31m |
| March | 6:27 AM | 5:33 PM | 11h 07m |
| April | 4:28 AM | 7:32 PM | 15h 03m |
| May | 2:28 AM | 9:32 PM | 19h 04m |
| June | – | – | 24h (midnight sun) |
| July | 1:29 AM | 10:31 PM | 21h 01m |
| August | 3:39 AM | 8:21 PM | 16h 41m |
| September | 5:39 AM | 6:21 PM | 12h 42m |
| October | 7:34 AM | 4:26 PM | 8h 53m |
| November | 9:38 AM | 2:22 PM | 4h 44m |
| December | – | – | 0h (polar night) |
Nearby Stations
Plan Your Garden with Planter
Now that you know your frost dates, use Planter to plan your veggie garden! Planter is an easy drag-and-drop garden planner with personalized planting schedules.
Try Planter For FreeAvailable everywhere: iOS, Android, web, and more!
